/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Item for VideoControl.

*

*/

package com.nokia.microedition.media.control;

import javax.microedition.lcdui.CustomItem;

import javax.microedition.lcdui.Graphics;

import javax.microedition.media.PlayerListener;

import javax.microedition.media.Player;

import javax.microedition.lcdui.*;

/**

 * Item for VideoControl.

 * This class native equivalent is CMIDItemDisplay.

 * All drawing is done in native.

 * CustomItem has its native bitmap after it is layouted to

 * the form and then SizeChanged method is called and native side

 * gets the bitmap for item.

 *

 */

public class VideoItem extends CustomItem implements PlayerListener

{

    int iNativeHandle;

    private int iEventSourceHandle;

    private Player iPlayer = null;

    public VideoItem(int aEventSourceHandle, Player aPlayer)

    {

        super("");   // we don't have title

        iEventSourceHandle = aEventSourceHandle;

        iPlayer = aPlayer;

    }

    // from PlayerListener

    public void playerUpdate(Player aPlayer, String aEvent, Object aEventData)

    {

        if (aEvent == SIZE_CHANGED)

        {

        }

    }

    /**

     * From class CustomItem

     *

     */

    protected int getMinContentHeight()

    {

        int minHeight = 0;

        if (iNativeHandle != 0)

        {

            minHeight = _getMinContentHeight(iEventSourceHandle,

                                             iNativeHandle);

        }

        return minHeight;

    }

    /**

     * From class CustomItem

     *

     */

    protected int getMinContentWidth()

    {

        int minWidth = 0;

        if (iNativeHandle != 0)

        {

            minWidth = _getMinContentWidth(iEventSourceHandle,

                                           iNativeHandle);

        }

        return minWidth;

    }

    /**

     * From class CustomItem

     *

     */

    protected int getPrefContentHeight(int aWidth)

    {

        int prefHeight = 0;

        if (iNativeHandle != 0)

        {

            prefHeight = _getPrefContentHeight(iEventSourceHandle,

                                               iNativeHandle,

                                               aWidth);

        }

        return prefHeight;

    }

    /**

     * From class CustomItem

     *

     */

    protected int getPrefContentWidth(int aHeight)

    {

        int prefWidth = 0;

        if (iNativeHandle != 0)

        {

            prefWidth = _getPrefContentWidth(iEventSourceHandle,

                                             iNativeHandle,

                                             aHeight);

        }

        return prefWidth;

    }

    /**

     * From class CustomItem

     *

     * Empty implementation because drawing is done in native side.

     * Must be implemented because this method is abstract.

     *

     */

    protected void paint(Graphics aGrapchics, int aWidth, int aHeight)

    {

    }

    /**

     * From class CustomItem

     *

     */

    protected void sizeChanged(int aWidth, int aHeight)

    {

        if (iNativeHandle != 0)

        {

            _sizeChanged(iEventSourceHandle,

                         iNativeHandle,

                         aWidth,

                         aHeight);

        }

    }

    /**

     * Package private method for invalidating the Form owning this item.

     */

    void privateInvalidate()

    {

        invalidate();

    }

    /**

     * Sets native CMIDItemDisplay handle.

     */

    void setNativeHandle(int aHandle)

    {

        iNativeHandle = aHandle;

    }

    int[] getSourceSize()

    {

        int[] size = new int[2];

        if (iPlayer.getState() >= iPlayer.PREFETCHED)

        {

            int width = _getMinContentWidth(iEventSourceHandle,

                                            iNativeHandle);

            int height = _getMinContentHeight(iEventSourceHandle,

                                              iNativeHandle);

            size[0] = width;

            size[1] = height;

        }

        else

        {

            size[0] = 0;

            size[1] = 0;

        }

        return size;

    }

    // Native methods

    /**

     * Informs got size to native side.

     */

    private native int _sizeChanged(int aEventSourceHandle,

                                    int aNativeHandle,

                                    int aWidth,

                                    int aHeight);

    // Getters for layout.

    private native int _getMinContentWidth(int aEventSourceHandle,

                                           int aNativeHandle);

    private native int _getMinContentHeight(int aEventSourceHandle,

                                            int aNativeHandle);

    private native int _getPrefContentWidth(int aEventSourceHandle,

                                            int aNativeHandle,

                                            int aTentativeWidth);

    private native int _getPrefContentHeight(int aEventSourceHandle,

            int aNativeHandle,

            int aTentativeHeigth);

}